Carrier Roof A/C

[beaubeau]

Hi, I have a 2008 conversion van with a Carrier rooftop A/C. It was cooling fine on Saturday, yesterday it stopped cooling. I have it on shore power right now and it's blowing but the compressor runs only sporadically.
Any thoughts?

[My_Roadtrek]

Google air conditioner coil icing up.

[Shadow_Catcher]

It has likely lost Freon.